Patents-Review.com
ClassID:

137754 ⎘

F01N1/084 - CPC Classification

Classification description:

Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes

Recent Application in this class:
#1
20240167404
2024-05-23

MUFFLER STRUCTURE

 #2
20230184148
2023-06-15

Work vehicle

 #3
20210199034
2021-07-01

Muffler device

 #4
20210131323
2021-05-06

Muffler for vehicle for implementing sporty exhaust sound

 #5
20210115823
2021-04-22

Two-stroke engine exhaust resonator with exhaust gas catalytic converter

 #6
20200173321
2020-06-04

Silencer for fuel cell vehicles

 #7
20200018203
2020-01-16

HELMHOLTZ MUFFLER FOR VEHICLE

 #8
20190226371
2019-07-25

Muffler

 #9
20190218956
2019-07-18

Exhaust orifice tube for vehicle mufflers

 #10
20190195099
2019-06-27

EXHAUST DEVICE OF ENGINE

 #11
20190153925
2019-05-23

Pipe and metal sheet subassembly for an exhaust treatment device

 #12
20190120116
2019-04-25

Muffler

 #13
20190120115
2019-04-25

Silencer insert, silencer comprising the same and method for manufacturing a silencer insert

 #14
20190063282
2019-02-28

Air exhausting device

 #15
20190063281
2019-02-28

Air exhausting device

 #16
20190017428
2019-01-17

Exhaust device of straddle-type vehicle

 #17
20180291905
2018-10-11

Pulsation mufflers for compressors

 #18
20180274426
2018-09-27

Exhaust device

 #19
20180202335
2018-07-19

Exhaust device of engine

 #20
20180038263
2018-02-08

Assembly for an exhaust system

 #21
20170074132
2017-03-16

Exhaust system for internal combustion engine

 #22
20160376953
2016-12-29

Exhaust muffler

 #23
20160376952
2016-12-29

EXHAUST RESONATOR FOR A TWO-STROKE ENGINE FOR USE IN A MOTORIZED FLOAT

 #24
20160312674
2016-10-27

Exhaust system

 #25
20160290195
2016-10-06

Exhaust pipe structure for vehicle

 #26
20160245146
2016-08-25

Exhaust muffler

 #27
20160208664
2016-07-21

System to generate pressurized air for hydro-excavation

 #28
20160130996
2016-05-12

Recirculating Muffler Apparatus and Method

 #29
20160084127
2016-03-24

Exhaust muffler device for combustion engine

 #30
20160053659
2016-02-25

Exhaust device of motorcycle

 #31
20160017776
2016-01-21

Muffler with interconnected pipes

 #32
20160003116
2016-01-07

Engine-exhaust-system apparatus and package-type engine electric power generator

 #33
20150330283
2015-11-19

Tailor to fit muffler

 #34
20150192055
2015-07-09

Muffler

 #35
20150152760
2015-06-04

Muffler

 #36
20150040525
2015-02-12

Exhaust gas-treating device

 #37
20150027566
2015-01-29

Valve device for exhaust gas flow path

 #38
20150008068
2015-01-08

Automotive muffler

 #39
20140318888
2014-10-30

Silencer arrangement

 #40
20140284138
2014-09-25

Engine muffler

 #41
20140090924
2014-04-03

Exhaust system of saddle-ride type vehicle

 #42
20140090920
2014-04-03

Exhaust system of saddle-ride type vehicle

 #43
20140086802
2014-03-27

Exhaust gas-treating device

 #44
20140026540
2014-01-30

Compact exhaust gas treatment unit with mixing region, method for mixing an exhaust gas and vehicle

 #45
20130333977
2013-12-19

Lightweight construction silencer

 #46
20130277145
2013-10-24

Muffler and engine system

 #47
20130270034
2013-10-17

Silencing apparatus for vehicle

 #48
20130248282
2013-09-26

Silencer incorporating elongated members

 #49
20130220732
2013-08-29

Muffler with dual exhaust gas discharge pipe for vehicle

 #50
20130008737
2013-01-10

Control device of a motor vehicle

 #51
20120305330
2012-12-06

Muffler for internal combustion engine

 #52
20120273302
2012-11-01

Exhaust apparatus of internal combustion engine

 #53
20120273301
2012-11-01

MUFFLER ASSEMBLY WITH MOUNTING ADAPTER(S) AND PROCESS OF MANUFACTURE

 #54
20120273300
2012-11-01

Lightweight polymeric exhaust components

 #55
20120273299
2012-11-01

Muffler assembly and process of manufacture

 #56
20120247423
2012-10-04

Automatic choke apparatus for engine

 #57
20120228055
2012-09-13

Exhaust device for internal combustion engine

 #58
20120110989
2012-05-10

Exhaust-gas aftertreatment device

 #59
20120055736
2012-03-08

Muffler for vehicle

 #60
20120055734
2012-03-08

Exhaust flow control device for exhaust muffler

 #61
20110308236
2011-12-22

Muffler and engine system

 #62
20110209942
2011-09-01

Exhaust device of internal combustion engine

 #63
20110198150
2011-08-18

Silencer

 #64
20110186376
2011-08-04

Muffler with integrated catalytic converter and polymeric muffler body

 #65
20110127105
2011-06-02

MUFFLER FOR VEHICLE

 #66
20110083924
2011-04-14

MUFFLER FOR VEHICLE

 #67
20110048848
2011-03-03

Muffler apparatus for vehicle

 #68
20110048847
2011-03-03

NOISE ATTENUATION DEVICE FOR REDUCING NOISE ATTENUATION IN A JET ENGINE TEST CELL

 #69
20100307865
2010-12-09

Silencer for internal combustion engine

 #70
20100242450
2010-09-30

Exhaust gas-treating device

 #71
20100199651
2010-08-12

Tube structure for exhaust component

 #72
20100170743
2010-07-08

High-performance muffler assembly with multiple modes of operation

 #73
20100140014
2010-06-10

Flow Passage Control Valve for Muffler

 #74
20100126799
2010-05-27

Muffler and engine exhaust apparatus

 #75
20100061898
2010-03-11

Exhaust gas retreatment device

 #76
20100059312
2010-03-11

PARTICLE MATTER CATALYST INSERTED MUFFLER

 #77
20100050618
2010-03-04

Exhaust gas after treatment apparatus of a motor vehicle

 #78
20100011752
2010-01-21

Exhaust muffler comprising a catalytic converter

 #79
20100000206
2010-01-07

Intake and exhaust system of internal combustion engine

 #80
20090308687
2009-12-17

Muffler for vehicle

 #81
20090301808
2009-12-10

Muffler structure for vehicle

 #82
20090293467
2009-12-03

Diesel engine exhaust treatment system with drive shaft accommodating housing and method

 #83
20090266644
2009-10-29

Catalytic converter muffler

 #84
20090229913
2009-09-17

Dual Mode Exhaust Muffler

 #85
20090229912
2009-09-17

Muffler

 #86
20090229911
2009-09-17

VARIABLE GEOMETRY MUFFLER FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

 #87
20090211841
2009-08-27

Exhaust system for internal combustion engine having temperature variable acoustics

 #88
20090208275
2009-08-20

STRUCTURE FOR EXHAUST PIPE CONNECTION SECTION OF MUFFLER

 #89
20090158720
2009-06-25

Sliding seat and exhaust gas treatment facility

 #90
20090145689
2009-06-11

Muffler of vehicle and exhaust apparatus using the same

 #91
20090114477
2009-05-07

Exhaust system for a motorcycle, and motorcycle incorporating same

 #92
20090057055
2009-03-05

Muffler structure

 #93
20090000282
2009-01-01

Performance exhaust system

 #94
20080302598
2008-12-11

Silencer

 #95
20080286167
2008-11-20

Catalyst Apparatus

 #96
20080245606
2008-10-09

Automotive muffler

 #97
20080245605
2008-10-09

METHOD AND APPARATUS FOR CONTROLLING ENGINE EXHAUST SOUND FOR VEHICLES

 #98
20080236940
2008-10-02

Exhaust device for motorcycle engine

 #99
20080185218
2008-08-07

Noise eliminator for fuel cell

 #100
20080163488
2008-07-10

Method for manufacturing an exhaust element of an exhaust line of a vehicle with a heat engine and exhaust element, namely obtained through implementing said method

 #101
20080156578
2008-07-03

VARIABLE GEOMETRY MUFFLER FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

 #102
20080093161
2008-04-24

Rear muffler assembly

 #103
20080092526
2008-04-24

Arrangement for supplying a medium into an exhaust gas conduit in an internal combustion engine

 #104
20080072576
2008-03-27

Exhaust emission purification apparatus for engine

 #105
20080053076
2008-03-06

EXHAUST DEVICE WITH A FLAME RESONATOR

 #106
20080053066
2008-03-06

Exhaust device for motorcycle

 #107
20080035420
2008-02-14

Muffler of internal combustion engine

 #108
20080035418
2008-02-14

Exhaust sound and emission control systems

 #109
20080017444
2008-01-24

Vehicle muffler

 #110
20070289294
2007-12-20

Exhaust gas aftertreatment device for an internal combustion engine

 #111
20070283680
2007-12-13

Exhaust Processor And Associated Method

 #112
20070272480
2007-11-29

Exhaust apparatus of an internal combustion engine

 #113
20070271788
2007-11-29

Method and apparatus for manufacturing a muffler for automotive exhaust systems

 #114
20070256673
2007-11-08

MOTORCYCLE DYNAMIC EXHAUST SYSTEM

 #115
20070227807
2007-10-04

High-performance muffler assembly with multiple modes of operation

 #116
20070227001
2007-10-04

Method of producing metal tubular member

 #117
20070125594
2007-06-07

Muffler assembly with sound absorbing member

 #118
20070107419
2007-05-17

Exhaust system for motorcycle

 #119
20070095606
2007-05-03

Internal combustion engine exhaust line muffler

 #120
20070056275
2007-03-15

Exhaust purification device

 #121
20070051558
2007-03-08

Muffler

 #122
20070051556
2007-03-08

Exhaust system with external helmholtz resonator and associated method

 #123
20070045044
2007-03-01

Flow-through mufflers with optional thermo-electric, sound cancellation, and tuning capabilities

 #124
20070012035
2007-01-18

Muffling apparatus having exhaust emission purifying function

 #125
20060288695
2006-12-28

Intake and exhaust system of internal combustion engine

 #126
20060283661
2006-12-21

Silencer

 #127
20060283180
2006-12-21

Exhaust system with catalytic converter and motorcycle using the same

 #128
20060283173
2006-12-21

Further improved reversing flow catalytic converter for internal combustion engines

 #129
20060266025
2006-11-30

Reversing flow catalytic converter for internal combustion engines

 #130
20060266024
2006-11-30

Layout of catalyst of vehicle

 #131
20060260867
2006-11-23

Silencer containing one or more porous bodies

 #132
20060258237
2006-11-16

Standby generator

 #133
20060242952
2006-11-02

Exhaust system for motorcycle

 #134
20060201742
2006-09-14

Motorcycle exhaust system

 #135
20060191255
2006-08-31

Method and device of a particle filter for an exhaust system, silencer including such a device, and a combustion engine driven vehicle

 #136
20060162995
2006-07-27

Muffler for an exhaust gas system

 #137
20060156712
2006-07-20

Exhaust gas treatment system

 #138
20060150620
2006-07-13

Exhaust gas control valve

 #139
20060124384
2006-06-15

Modular muffler with removable cartridge assembly

 #140
20060113145
2006-06-01

Fuel cell vehicle

 #141
20060037814
2006-02-23

Exhaust system of internal combustion engine

 #142
20060008397
2006-01-12

Space-saving exhaust-gas aftertreatment unit with inflow and return-flow regions lying one inside the other and gas inlet and outlet on the same side

 #143
20060000668
2006-01-05

Muffler device

 #144
20060000205
2006-01-05

Motorcycle dynamic exhaust system

 #145
20050279571
2005-12-22

Exhaust sound and emission control systems

 #146
20050279570
2005-12-22

Method for containing an acoustical material within an assembly

 #147
20050252715
2005-11-17

Muffler for compact combustion engines

 #148
20050224283
2005-10-13

Internal combustion engine silencer

 #149
20050126850
2005-06-16

Exhaust muffling device

 #150
20050067217
2005-03-31

Exhaust system and a method of producing the same

 #151
20050061580
2005-03-24

Flow altering valve for vehicular exhaust system

 #152
20050034919
2005-02-17

Muffler baffle plate spacer formed from stock material

 #153
14808036
2016-09-13

Muffler shell body with integral aerodynamic shield